CN101043127A - Air insulated isolation switch device - Google Patents
Air insulated isolation switch device Download PDFInfo
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- CN101043127A CN101043127A CN 200710017778 CN200710017778A CN101043127A CN 101043127 A CN101043127 A CN 101043127A CN 200710017778 CN200710017778 CN 200710017778 CN 200710017778 A CN200710017778 A CN 200710017778A CN 101043127 A CN101043127 A CN 101043127A
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- ground connection
- isolation
- switch
- housing
- fixed contact
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- Gas-Insulated Switchgears (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Aiming at resolve the defects that assemblage and maintenance are not convenient of traditional isolating switch device, the invention provides an isolating switch device that the operation is simple, insulation is strong, performance is more reliable, it includes shell, operating mechanism, a isolating switch and at least one grounding switch, the isolating switch includes act end screening can and spacing movable contact, static end screening can and spacing stationary contact; the grounding switch includes grounding act contact which is on lower side wall of the shell and grounding static contact which is on lower side of the act end screening can or static end screening can. It characterized in that the spacing movable contact and spacing stationary contact are arranged in level linear type, the action direction is uniform with the axial center of shell, the act end screening can and static end screening can are separately fixed to two ends of the shell via insulated basin, the operating mechanism adopts two separated drive and connection mechanism of separating and grounding to realize the non-interference of separating switch and grounding switch.
Description
Technical field
The present invention relates to a kind of switching device of High-Voltage Electrical Appliances, particularly a kind of gas isolated isolation switch device.
Background technology
In the conventional metals switchgear (HGIS) that the applicant manufactures, existing isolating switch and earthed switch thereof breaker unit relative and horizontal arrangement is vertically to arrange, because isolating switch and circuit breaker folding direction is different and setting height(from bottom) is higher than circuit breaker, therefore exist and disintegrate, install complexity, to the environmental requirement height, the shortcoming of installation and transportation inconvenience.In addition, the actuating connecting rod of this kind vertical isolating switch and earthed switch thereof is longer, thereby has influence on the accuracy and the reliability of switch motion; Simultaneously, its housing adopts foundry goods to process, because volume is bigger, complex-shaped, so makes processing cost very high casting flaw more.
Summary of the invention:
The present invention is in order to solve above-mentioned traditional isolating switch and the existing deficiency of earthed switch thereof, a kind of straight horizontal line style layout, isolating switch folding direction coaxial line direction unanimity, actuating dependable performance is provided and has been connected simple more isolation switch device with other parts.
For reaching above purpose, the present invention takes following technical scheme to be achieved:
A kind of gas isolated isolation switch device, comprise housing, operating mechanism, an isolating switch and at least one earthed switch, described isolating switch comprises moved end radome and isolation moving contact wherein, quiet end shield and isolation fixed contact wherein, be respectively equipped with on the dynamic and static contact of described isolation and isolate dynamic and static contact radome, be connected with the isolation motion on the described isolation moving contact; Described earthed switch comprises ground connection moving contact and ground connection fixed contact, it is characterized in that, described isolation moving contact and isolation fixed contact are that the straight horizontal line style is arranged, its folding direction is consistent with the axle center of housing, described moved end radome and quiet end shield are individually fixed in housing shaft to two ends by insulating basin, the insulating basin center is provided with conductor and other part of outside is electrically connected, described moved end radome and quiet end shield or the downside of one of them are provided with the ground connection fixed contact, the ground connection moving contact of this ground connection fixed contact then is arranged on the housing inner underside wall relatively, described operating mechanism comprises isolates operating mechanism and ground connection operating mechanism, isolate operating mechanism and connect the isolation actuating mechanism, the ground connection operating mechanism then connects the landing operation mechanism that is connected with the ground connection moving contact in the earthed switch.
In the such scheme, described isolation operating mechanism comprises the isolation drive mechanism that is arranged on the outer lower side of housing, it connects by a vertical isolation kinematic link and isolates transmission crank arm, this isolation transmission crank arm is arranged on the isolating switch lateral body that links to each other with housing, and links to each other with the isolation actuating mechanism of isolating switch.
Described ground connection operating mechanism comprises ground connection driving mechanism, ground connection kinematic link and ground connection transmission crank arm, described ground connection driving mechanism is arranged on isolation drive mechanism along on the axially extended straight line of housing, and this ground connection driving mechanism links to each other with landing operation mechanism in the earthed switch by ground connection kinematic link and ground connection transmission crank arm.
Described ground connection fixed contact is equipped with the ground connection fixed contact radome of integral spinning forming; Described housing is by the round as a ball cylinder that is welded into of aluminium sheet.
In such scheme, isolating switch, the shared housing of earthed switch, and adopt straight horizontal line style structure, and the opening and closing movement direction of isolating switch is consistent with the housing axis direction, has therefore reduced the setting height(from bottom) of switch, and switching manipulation is more accurately and reliably; Operating mechanism adopts isolation and ground connection two covers independently to drive and bindiny mechanism, and realization divides, feed motion does not disturb mutually, and while ground connection can be with one or two earthed switch (comprising fail close splice grafting ground switch).Radome is carried out the integral spinning forming design, make the Electric Field Distribution between fracture more even, insulation level obviously improves;
Form independently sealed gas chamber by insulating basin, and be separated by with miscellaneous equipment, can reduce the quantity of insulating cylinder, construction of switch can further be simplified, and housing has adopted round as a ball weldment, relative foundry goods, the manufacturing cost of switch can further reduce, and can make the transportation of high-voltage appliance switch device, installation and maintenance convenient simultaneously.
Description of drawings:
Fig. 1 is the isolating switch and the earthed switch internal structure cutaway view of apparatus of the present invention.
Fig. 2 is the rearview of Fig. 1 isolating switch and earthed switch ribbon gymnastics actuation mechanism.
Fig. 3 is the end view of Fig. 2.
In Fig. 1 to Fig. 3,1, shell flange, 2, adpting flange, 3, insulating basin, 4, the moved end radome, 5, isolate actuating mechanism, 6, isolate moving contact, 7, the moving contact radome, 8, isolate fixed contact, 9, the fixed contact radome, 10, quiet end shield, 11, bonding conductor, 12, welded flange, 13, ground connection fixed contact radome, 14, the ground connection fixed contact, 15, earthed switch, 16, isolate the fixed contact parts, 17, ground connection moved end radome 18, housing, 19, adsorbent assembling and explosion-protection equipment, 20, the isolating switch lateral body, 21, isolate transmission crank arm, 22, isolate kinematic link, 23, the ground connection transmission crank arm, 24, the ground connection kinematic link, 25, isolation drive mechanism, 26, the ground connection driving mechanism, 27, the isolating switch fracture, 28, the ground connection moving contact.
Embodiment
The present invention is described in further detail below in conjunction with specific embodiment.
As shown in Figure 1, a kind of gas isolated isolation switch device comprises being filled with SF
6The housing 18 of insulating gas, isolating switch and two earthed switches 15, isolating switch comprises moved end radome 4 and isolation moving contact 6 wherein, quiet end shield 10 and isolation fixed contact 8 wherein, isolate to be respectively equipped with on the dynamic and static contact 6,8 and isolate dynamic and static contact radome 7,9, moving contact radome 7 is fixed on the moved end radome 4 by hot pressing, is connected with isolating switch actuating mechanism 5 on the described isolation moving contact 6.Isolate fixed contact 8 and isolate fixed contact parts 16, fixed contact radome 9 by being bolted on the quiet end shield 10.
Isolate moving contact 6 and isolate fixed contact 8 and be straight horizontal line style layout, its folding direction is consistent with the axle center of housing 18, moved end radome 4 and quiet end shield 10 are individually fixed on the shell flange 1 and welded flange 12 at housing 18 axial two ends by two rightabout insulating basins 3, wherein shell flange 1 is by being bolted on the housing 18, and two insulating basins 3 are fixed by bolts on shell flange 1 and the welded flange 12 by adpting flange 2 respectively.Other parts that the insulating basin center is provided with outside conductor 11 and the switch case are electrically connected.Earthed switch 15 comprises ground connection moving contact 28 and ground connection fixed contact 14, this ground connection fixed contact 14 is the downsides that are fixed on moved end radome 4 and quiet end shield 10, the ground connection fixed contact radome 13 of integral spinning forming is installed on it, and the ground connection moving contact 28 of this ground connection fixed contact 14 and 17 of ground connection moved end radomes are fixed on the housing 18 inner underside walls relatively.
Isolating switch and earthed switch 15 shared shells 18 carry out air chamber by insulating basin 3 and miscellaneous equipment and isolate, and form a sealed gas chamber.Housing 18 can be formed by the round as a ball welding of aluminium sheet, adopts problems such as foundry goods pattern difficulty of processing is big, long in time limit thereby solved former isolating switch housing.Being provided with welded flange 12 in addition in housing 18 is connected with insulating basin 3, flange 2, reduced the supporting role of insulating cylinder to isolating switch, and ground connection fixed contact radome 13 carried out optimal design, adopt integral spinning forming, make isolating switch and earthed switch fracture Electric Field Distribution more even, insulation level improves greatly, and performance is more reliable.
As Fig. 2, shown in Figure 3, operating mechanism comprises isolating switch operating mechanism and the separate machine assembly of earthing switch operating mechanism two covers.The isolating switch operating mechanism comprises the isolation drive mechanism 25 that is arranged on housing 18 outer lower sides, it connects by a vertical isolation kinematic link 22 and isolates transmission crank arm 21, this isolation transmission crank arm 21 is arranged on the isolating switch lateral body 20 that links to each other with housing 18, and links to each other with the isolation actuating mechanism 5 of isolating switch.Earthing switch operating mechanism comprises ground connection driving mechanism 26, ground connection kinematic link 24 and ground connection transmission crank arm 23, ground connection driving mechanism 26 is arranged on isolation drive mechanism 25 along on the housing 18 axially extended straight lines, and this ground connection driving mechanism 26 links to each other with landing operation mechanism in the earthed switch 15 by ground connection kinematic link 24 and ground connection transmission crank arm 23.Isolation drive mechanism 25 and ground connection driving mechanism 26 are by separately motor driven.
Relative isolating switch lateral body 20, housing 18 opposite sides are provided with adsorbent assembling and explosion-protection equipment 19, and its effect is the security of operation of this isolation switch device of protection.
Operation principle
Because isolating switch and earthed switch 15 all are furnished with corresponding operating mechanism, thereby can realize separately branch, feed motion.Wherein isolating switch by isolating kinematic link 22, isolation transmission crank arm 21 drive isolation actuating mechanisms 5, drives isolation moving contact 6 along shell 18 axis direction reciprocating motions, realization branch, closing operation by isolating actuating mechanism 5 by isolation drive mechanism 25 again.Earthed switch 15 is pumped by the landing operation mechanism drive ground connection moving contact 28 that ground connection kinematic link 24, ground connection transmission crank arm 23 drive in the earthed switch 15 by ground connection driving mechanism 26, is grounded branch, the closing operation of switch 15.
Claims (5)
1. gas isolated isolation switch device, comprise housing, operating mechanism, an isolating switch and at least one earthed switch, described isolating switch comprises moved end radome and isolation moving contact wherein, quiet end shield and isolation fixed contact wherein, described isolation is moving, be respectively equipped with on the fixed contact to isolate and move, the fixed contact radome, be connected with the isolation actuating mechanism on the described isolation moving contact, described earthed switch comprises ground connection moving contact and ground connection fixed contact, it is characterized in that, described isolation moving contact and isolation fixed contact are that the straight horizontal line style is arranged, its folding direction is consistent with the axle center of housing, described moved end radome and quiet end shield are individually fixed in housing shaft to two ends by insulating basin, the insulating basin center is provided with conductor and other part of outside is electrically connected, described moved end radome and quiet end shield or the downside of one of them are provided with the ground connection fixed contact, the ground connection moving contact of this ground connection fixed contact then is arranged on the housing inner underside wall relatively, described operating mechanism comprises isolates operating mechanism and ground connection operating mechanism, isolate operating mechanism and connect the isolation actuating mechanism, the ground connection operating mechanism then connects the landing operation mechanism that links to each other with the ground connection moving contact in the earthed switch.
2. according to the described gas isolated isolation switch device of claim 1, it is characterized in that, described isolation operating mechanism comprises the isolation drive mechanism that is arranged on the outer lower side of housing, it connects by a vertical isolation kinematic link and isolates transmission crank arm, this isolation transmission crank arm is arranged on the isolating switch lateral body that links to each other with housing, and links to each other with isolation actuating mechanism in the isolating switch.
3. according to the described gas isolated isolation switch device of claim 2, it is characterized in that, described ground connection operating mechanism comprises ground connection driving mechanism, ground connection kinematic link and ground connection transmission crank arm, described ground connection driving mechanism is arranged on isolation drive mechanism along on the axially extended straight line of housing, and this ground connection driving mechanism links to each other with landing operation mechanism in the earthed switch by ground connection kinematic link and ground connection transmission crank arm.
4. according to the described gas isolated isolation switch device of claim 3, it is characterized in that described ground connection fixed contact is equipped with the ground connection fixed contact radome of integral spinning forming.
5. according to the described gas isolated isolation switch device of one of claim 1～4, it is characterized in that described housing is by the round as a ball cylinder that is welded into of aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100177783A CN100544143C (en) | 2007-04-29 | 2007-04-29 | A kind of gas isolated isolation switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100177783A CN100544143C (en) | 2007-04-29 | 2007-04-29 | A kind of gas isolated isolation switch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101043127A true CN101043127A (en) | 2007-09-26 |
| CN100544143C CN100544143C (en) | 2009-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100177783A Active CN100544143C (en) | 2007-04-29 | 2007-04-29 | A kind of gas isolated isolation switch device |
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| CN (1) | CN100544143C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320648B (en) * | 2008-07-02 | 2012-02-01 | 中国西电电气股份有限公司 | Air insulated isolation switch device |
| CN102867678A (en) * | 2012-09-26 | 2013-01-09 | 中电装备恩翼帕瓦（山东）高压开关有限公司 | Link drive device for opening and closing actions of GIS (Gas Insulated Switchgear) isolating switch |
| CN108010788A (en) * | 2016-10-28 | 2018-05-08 | 上海思源高压开关有限公司 | A kind of disconnecting switch for gas insulation metal seal combined electrical apparatus |
| CN108281888A (en) * | 2017-12-28 | 2018-07-13 | 北京双杰电气股份有限公司 | A kind of mechanism cover |
| CN109787145A (en) * | 2019-01-18 | 2019-05-21 | 国网辽宁省电力有限公司鞍山供电公司 | 10kV on-load, which is more changed sides, isolates switching device and method |
-
2007
- 2007-04-29 CN CNB2007100177783A patent/CN100544143C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320648B (en) * | 2008-07-02 | 2012-02-01 | 中国西电电气股份有限公司 | Air insulated isolation switch device |
| CN102867678A (en) * | 2012-09-26 | 2013-01-09 | 中电装备恩翼帕瓦（山东）高压开关有限公司 | Link drive device for opening and closing actions of GIS (Gas Insulated Switchgear) isolating switch |
| CN108010788A (en) * | 2016-10-28 | 2018-05-08 | 上海思源高压开关有限公司 | A kind of disconnecting switch for gas insulation metal seal combined electrical apparatus |
| CN108281888A (en) * | 2017-12-28 | 2018-07-13 | 北京双杰电气股份有限公司 | A kind of mechanism cover |
| CN109787145A (en) * | 2019-01-18 | 2019-05-21 | 国网辽宁省电力有限公司鞍山供电公司 | 10kV on-load, which is more changed sides, isolates switching device and method |
| CN109787145B (en) * | 2019-01-18 | 2024-02-06 | 国网辽宁省电力有限公司鞍山供电公司 | 10kV on-load replacement side phase isolating switch device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100544143C (en) | 2009-09-23 |
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Owner name: WEST CHINA ELECTRIC POWER CO. Free format text: FORMER OWNER: XI AN ELECTRIC MANUFACTURING CORP. Effective date: 20080905 |
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Effective date of registration: 20080905 Address after: Xi'an City West High Tang Hing Road No. 7 post encoding: 710075 Applicant after: China XD Electronic Corporation Address before: No. 29 North Road, Shaanxi post encoding Fengdeng city in Xi'an Province: 710077 Applicant before: Xi'an Electric Manufacturing Corp. |
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